Add some basic tests for the database

test/fixtures/i2c_fixture.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+#include "catch2/catch.hpp"
+#include "i2c.hpp"
+
+class I2CFixture {
+ public:
+  I2CFixture() { REQUIRE(drivers::init_i2c() == ESP_OK); }
+  ~I2CFixture() { drivers::deinit_i2c(); }
+};